/*
 * Copyright 2002-2006 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.tigris.jasmincc.implementation;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.tigris.jasmincc.framework.JavaCCModel;
import org.tigris.mappedlexer.validator.VerifyHub;

/**
 * Syntax:
 * 
 * options : { hello = "world"; company = "accenture"; }
 * 
 * 
 * @author Sam Huang
 * 
 */
@Deprecated
public class OptionsProduction extends MaplessProductionTemplate {

	protected JavaCCModel javaccModel = null;

	protected static Log logger = LogFactory.getLog(OptionsProduction.class);

	public void setJavaccModel(JavaCCModel javaccModel) {
		this.javaccModel = javaccModel;
	}

	@Override
	public void doParse() throws Exception {
		String optionName, optionValue;
		lexer.nexttok(JAVACC_OPTIONS);
		tk = lexer.nexttok(SYM_LEFT_BRACE); // {
		tk = lexer.nexttok();
		while (!tk.equals(SYM_RIGHT_BRACE)) {
			if (VerifyHub.IDENTIFIER.validate(tk)) {
				optionName = tk;
				tk = lexer.nexttok(SYM_EQUAL);
				optionValue = lexer.forwardUntil(';');
				optionValue = optionValue
						.substring(0, optionValue.length() - 1);
				logger.info(optionName + " = " + optionValue);
				javaccModel.addOption(optionName, optionValue);
			} else {
				lexer.error("\"" + tk + "\" is not an identifier.");
			}
			tk = lexer.nexttok();
		}
	}

}
